The Sachtler DV 12 SB Fluid Head is a sensitive, fast and robust fluid head. The key to Sachtlers successful fluid heads is their step switching. Now our innovative SPEEDBALANCE technology enables even faster and finer counterbalance of your camera system. By reducing the minimum payload, the heads overall payload range is increased.PayloadC.O.G.* [mm] / C.O.G.* [in]min. kg / min. lbmax. kg / max. lb75/3″1.7/3.717.6/38.8100/4″1.4/3.214.9/32.9125/5″1.3/2.813.0/28.6150/6″1.1/2.411.5/25.3175/7″1.0/2.210.3/22.6200/8″0.9/2.09.3/20.5